Books in Project Science series

How fizzy is soda pop after it's warmed up? What happens to a rubber band that's "stressed out" by being left outside? Which types of clothing keep you warmest, and why? Find out the answers and take top prize at the school science fair with these 47 hands-on and appealing "blue ribbon" chemistry experiments. Test chemical trickery in processed foods; the concept of pH; viscosity; carbonization; fermentation; evaporation; dilution; and lots more. Identify the minerals in water we normally can't see. Make litmus paper with cabbage juice, and use it to separate the sweet pickles from the sour...without taking a bite! Mix a batch of great new colors with food dyes and sugar--and eat the results when you're done! A really WINNING combination of learning and fun.

Detectives are investigating the attack and theft of a paint store owner. They discover an oily fingerprint on the bottom of the opened cash box. A neighbor identifies the suspect seen running from the store on the night of the crime. The suspect s fingerprints are a match, and he is arrested for the crime.The real-life crime stories in this book are followed by science experiments and project ideas that highlight the forensic technique used to solve the crime. Can you do fingerprint analysis to identify four matching characteristics unique to an individual print? How can you find fingerprints left behind at a crime scene? Do identical twins have the same fingerprints? Take careful notes in your case notebook, your observations could crack the case!